horn.clientforbusiness.online is a disposable email domain

horn.clientforbusiness.online is a disposable temp email domain that provides throwaway email addresses and should be blocked. These temporary addresses are frequently exploited to bypass verification systems and create fake accounts.

Raw API JSON response:

{
    "valid": true,
    "block": true,
    "domain": "horn.clientforbusiness.online",
    "base_domain": "clientforbusiness.online",
    "text": "Disposable \/ temporary domain",
    "reason": "Disposable",
    "risk": 100,
    "is_disposable": true,
    "is_email_forwarder": false,
    "is_public_free": false,
    "is_public_premium": false,
    "is_business_provider": false,
    "is_isp_email": false,
    "is_email_api": false,
    "is_web_hosting_email": false,
    "is_self_hosted": false,
    "is_parked": true,
    "is_role_based_email": false,
    "mx_host": "mx.plingest.com",
    "mx_ip": "38.143.66.193",
    "mx_info": "Using MX pointer mailnesia.com from DNS with priority: 10",
    "mx_fallback": false,
    "mx_hosts": [
        "mx.plingest.com"
    ],
    "mx_ips": [
        "38.143.66.193"
    ],
    "mx_priorities": {
        "mx.plingest.com": 10
    },
    "email_provider": null,
    "disposable_provider": null,
    "possible_typo": [],
    "domain_age_days": 377,
    "domain_created_at": "2025-05-13T00:00:00+00:00",
    "block_status_changed_at": "2026-03-30T10:58:10+00:00"
}